Automatic feeding device for stamping parts

Abstract

The utility model relates to an automatic stamping part feeding device which comprises a positioning mechanism and a preassembling mechanism which are matched with each other. The positioning mechanism comprises a rack, a bottom plate transversely fixed to the top of the rack, a positioning plate transversely and movably connected to the top of the bottom plate and having a left-right translation function, and a movable air cylinder fixed to the top of the bottom plate and located below the positioning plate. The preassembling mechanism comprises a pneumatic sliding table arranged above the material carrying block, a lifting air cylinder fixed to the moving end of the pneumatic sliding table and having a left-right translation function by means of the pneumatic sliding table, a first rotating air cylinder fixed to the telescopic end of the lifting air cylinder and having an up-down vertical movement function by means of the lifting air cylinder, and a connecting frame fixed to the rotating end of the first rotating air cylinder. The grabbing unit and the pressing unit are arranged at the front end and the rear end of the connecting frame correspondingly and matched with each other. According to the utility model, the operation steps are greatly simplified, so that the working efficiency is effectively improved, the effects of saving time and labor are achieved, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic feeding device of stamping part. BACKGROUND

[0002] The cooking machine is a kind of kitchen electrical appliances with multiple functions, and its functions include but are not limited to juicing, making soy milk, grinding dry powder, making meat stuffing, ice planing and the like, which can meet the needs of users to make juice, soy milk, jam, dry powder, ice planing and meat stuffing and the like, in order to break food materials, the cooking machine is provided with a cutter, the cutter is assembled by a cutter head, a cutter blade, a scraping piece and a shaft sleeve, the shaft sleeve is used to be connected with the rotating shaft of a driving motor, the cutter head is a plastic part, and the cutter blade and the scraping piece are stamping parts, and the cutter blade and the scraping piece must be preassembled on the cutter head first, and then secondary injection molding is carried out.

[0003] At present, the preassembly of the cutter blade, the scraping piece and the shaft sleeve in the cutter is manually carried out by means of artificial hand, i.e. an operator first manually fixes the cutter head on a clamp, then takes the cutter blade, the scraping piece and the shaft sleeve in turn and manually places them on the specified position on the cutter head, then manually crimps the cutter blade, the scraping piece and the shaft sleeve on the cutter head by means of a tool, and finally takes the preassembled cutter head from the clamp first and then sends it into an injection molding device, so that the whole operation steps are relatively complicated, the working efficiency is low, time and labor are wasted, and the labor cost is also high, which needs to be further improved. CONTENT OF THE UTILITY MODEL

[0004] In view of the above status of the prior art, the technical problem to be solved by the utility model is to provide an automatic feeding device of stamping part, which can automatically preassemble the cutter blade, the scraping piece and the shaft sleeve in the cutter on the cutter head, greatly simplifies the operation steps, effectively improves the working efficiency, thereby achieves the effects of saving time and labor and reducing the labor cost.

[0005] The utility model adopts the technical scheme that: an automatic feeding device of stamping part, characterized by comprising a positioning mechanism and a preassembly mechanism that cooperate with each other, the positioning mechanism comprises a rack, a bottom plate fixed horizontally on the top of the rack, a positioning plate movably connected horizontally on the top of the bottom plate to have left-right translation function, and a moving cylinder fixed on the top of the bottom plate and located below the positioning plate, and the extension end of the moving cylinder is arranged and fixed horizontally leftward or rightward on the positioning plate;

[0006] The positioning mechanism further comprises a guide block movably arranged in the positioning plate, a material loading block fixed on the top of the guide block, and a material lifting cylinder fixed on the top of the bottom plate, and the extension end of the material lifting cylinder is arranged vertically upward and detachably fixed on the bottom of the guide block;

[0007] The preloading mechanism comprises a pneumatic slide table arranged above the carrier block, a lifting cylinder fixed on the moving end of the pneumatic slide table to have left-right translation function by means of the pneumatic slide table, a first rotary cylinder fixed on the telescopic end of the lifting cylinder to have up-down vertical movement function by means of the lifting cylinder, a connecting frame fixed on the rotating end of the first rotary cylinder, and a grabbing unit and a pressing unit arranged on the front and rear ends of the connecting frame respectively and matched with each other, and the telescopic end of the lifting cylinder is arranged vertically downward;

[0008] The grabbing unit comprises a second rotary cylinder fixed on the connecting frame, a traction frame fixed on the rotating end of the second rotary cylinder, and two four-jaw chucks fixed on the traction frame and arranged symmetrically left and right respectively.

[0009] The pressing unit comprises a pressing block fixed on the connecting frame, a U-shaped block fixed upside down on the top of the pressing block, a pressing cylinder fixed on the top of the U-shaped block, and a lifting block arranged above the pressing block and penetrating through the inside of the U-shaped block, and the telescopic end of the pressing cylinder penetrates through the top of the U-shaped block vertically downward and is fixed on the lifting block.

[0010] Preferably, the bottom of the pressing block is formed with two upper bosses arranged left and right respectively, and correspondingly, the top of the carrier block is formed with two lower bosses located directly below the two upper bosses respectively.

[0011] Preferably, two slot holes distributed front and back respectively are further arranged between the end face of each upper boss and the top outer wall of the pressing block, and a vertical pressing plate is further arranged in each slot hole.

[0012] Preferably, two first cavities distributed left and right respectively are further arranged in the lifting block, and correspondingly, a second cavity is further arranged between the two slot holes between the end face of each upper boss and the top outer wall of the pressing block, and the left first cavity is located between the two left pressing plates, and the right first cavity is located between the two right pressing plates.

[0013] Preferably, the pressing unit further comprises two pneumatic fingers fixed on the top of the pressing block and located above the two first cavities respectively, and the two clamping jaws of the pneumatic finger are arranged vertically downward and symmetrically distributed left and right respectively, and a clamping block symmetrically distributed with each other is further fixed on the two clamping jaws of each pneumatic finger, and the two clamping blocks are arranged movably through the first cavities and extend downward below the lifting block.

[0014] Preferably, an L-shaped groove is arranged on the end face of each lower boss, a positioning hole is arranged on the bottom face of the L-shaped groove, and two side blocks arranged at opposite angles are formed upward on the left and right side edges of the upper end opening of the positioning hole.

[0015] Preferably, an arc-shaped protrusion is formed on the inner wall of the rear side of the rear one of the slot holes towards the interior of the slot hole, and an arc-shaped groove corresponding to the arc-shaped protrusion is formed on the outer wall of the rear side of the rear one of the pressing plates, and the inner wall of the arc-shaped groove is slidably fitted on the outer wall of the arc-shaped protrusion.

[0016] Preferably, a first counterbore is formed on the end face of the upper boss in front of the front one of the slot holes, a second counterbore is formed on the lower outer wall of the arc-shaped protrusion, and an air inlet hole is further formed between the inner wall of the first counterbore and the outer wall of the front side of the pressing block and between the inner wall of the second counterbore and the outer wall of the rear side of the pressing block.

[0017] Preferably, two air outlet joints are further fixed on the end face of each of the upper bosses, respectively below the first counterbore and the second counterbore, and the two air outlet joints are in communication with the two air inlet holes through the first counterbore and the second counterbore, respectively.

[0018] Preferably, the positioning mechanism further comprises a T-shaped connector fixed vertically on the telescopic end of the top material cylinder and a connecting block fixed on the bottom of the guide block, a T-shaped groove is formed between the end left and right outer walls of the connecting block, and the T-shaped connector is movably embedded in the T-shaped groove.

[0019] Compared with the prior art, the utility model discloses can automatically preinstall the blade, scraper and shaft sleeve in the cutter to the cutter head, need not manual operation with the help of artificial, still can automatically send the cutter head of preinstallation to the equipment required in the next process, and then greatly simplifies the operation step to effectively improve work efficiency, thereby reaches the effect of time saving and labour saving and reduces the artificial cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] The above and other features, advantages, and aspects of the embodiments of the present application will become more apparent by thoroughly examining the following detailed description, the accompanying drawings, and the appended claims. Identical or similar components shown throughout the figures are identified by identical or similar reference numerals, and a description of the same will not be repeated. It should be appreciated that the drawings are schematic, and the sizes of the components and elements are not necessarily drawn to scale. In the drawings:

[0021] Fig. 1 It is a right front side exploded view of the utility model;

[0022] Fig. 2 It is a left front side view of the grabbing unit and the pressing unit 18 of the utility model;

[0023] Fig. 3 It is a right front side bottom exploded view of the pressing unit of the utility model;

[0024] Fig. 4 It is a right rear side view of the utility model's load block;

[0025] Fig. 5 This is a top view of the right rear side of the pressure block of this utility model. Detailed Implementation

[0026] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0028] like Figs. 1-5 As shown, an automatic feeding device for stamped parts includes a positioning mechanism 2 and a pre-assembly mechanism 1 that cooperate with each other. The positioning mechanism 2 includes a frame 21, a base plate 22 that is horizontally fixed to the top of the frame 21, a positioning plate 23 that is horizontally and movably connected to the top of the base plate 22 to have left and right translation function, and a moving cylinder 24 that is fixed to the top of the base plate 22 and located below the positioning plate 23. The telescopic end of the moving cylinder 24 is horizontally arranged to the left or right and fixed on the positioning plate 23.

[0029] The positioning mechanism 2 also includes a guide block 27 movably disposed in the positioning plate 23, a material carrying block 25 fixed on the top of the guide block 27, and a top material cylinder 26 fixed on the top of the base plate 22. The telescopic end of the top material cylinder 26 is vertically upward and detachably fixed to the bottom of the guide block 27.

[0030] The pre-loading mechanism 1 includes a pneumatic slide 11 located above the material block 25, a lifting cylinder 12 fixed on the moving end of the pneumatic slide 11 to enable left and right translation with the help of the pneumatic slide 11, a first rotary cylinder 13 fixed on the telescopic end of the lifting cylinder 12 to enable up and down vertical movement with the help of the lifting cylinder 12, a connecting frame 14 fixed on the rotating end of the first rotary cylinder 13, and a material gripping unit and a material pressing unit 18 respectively located at the front and rear ends of the connecting frame 14 and cooperating with each other. The telescopic end of the lifting cylinder 12 is set vertically downward.

[0031] The material handling unit includes a second rotary cylinder 15 fixed on the connecting frame 14, a traction frame 16 fixed on the rotating end of the second rotary cylinder 15, and two four-jaw chucks 17 fixed on the traction frame 16 and symmetrically arranged on the left and right sides respectively.

[0032] The pressing unit 18 includes a pressing block 181 fixed on the connecting frame 14, a U-shaped block 182 fixed upside down on the top of the pressing block 181, a pressing cylinder 183 fixed on the top of the U-shaped block 182, and a lifting block 185 located above the pressing block 181 and passing through the inside of the U-shaped block 182. The telescopic end of the pressing cylinder 183 passes vertically downward through the top of the U-shaped block 182 and is fixed on the lifting block 185.

[0033] The bottom of the pressure block 181 has two upper bosses 1811 arranged on the left and right respectively. Correspondingly, the top of the material block 25 has two lower bosses 251 located directly below the two upper bosses 1811 respectively.

[0034] Two slots 1812, which are distributed front to back respectively, are opened between the end face of each upper boss 1811 and the top outer wall of the pressure block 181. A vertically distributed pressure plate 186 is also inserted in each slot 1812. The upper ends of the two pressure plates 186 are fixed on the lifting block 185.

[0035] The lifting block 185 also has two first cavity holes 1851 distributed on the left and right respectively. Correspondingly, each upper boss 1811 has a second cavity hole 1813 located between the two slot holes 1812 between the end face of the upper boss 1811 and the top outer wall of the pressure block 181. The first cavity hole 1851 on the left is located between the two pressure plates 186 on the left, and the first cavity hole 1851 on the right is located between the two pressure plates 186 on the right.

[0036] The pressing unit 18 also includes two pneumatic fingers 184 fixed on the top of the pressing block 181 and located above the two first cavity holes 1851 respectively. The two grippers of the pneumatic fingers 184 are both vertically downward and symmetrically distributed on the left and right. Each pneumatic finger 184 also has a symmetrically distributed clamping block 187 fixed on each of the two grippers. Both clamping blocks 187 move through the first cavity hole 1851 and extend below the lifting block 185.

[0037] Each lower boss 251 has an L-shaped groove 252 on its end face, and a positioning hole 253 is provided on the bottom surface of the L-shaped groove 252. The upper opening of the positioning hole 253 has two side blocks 254 arranged diagonally upward on both sides.

[0038] An arc-shaped protrusion 1816 is formed on the rear inner wall of a slot 1812 facing the inside of the slot 1812. Correspondingly, an arc-shaped groove 1861 is formed on the rear outer wall of a pressure plate 186 that cooperates with the arc-shaped protrusion 1816. The inner wall of the arc-shaped groove 1861 slides against the outer wall of the arc-shaped protrusion 1816.

[0039] The end face of the upper boss 1811 is provided with a first countersunk hole 1815 in front of a slot 1812 on the front side. A second countersunk hole 1817 is provided on the lower outer wall of the arc-shaped protrusion 1816. An air inlet hole 1814 is also provided between the inner wall of the first countersunk hole 1815 and the front outer wall of the pressure block 181, and between the inner wall of the second countersunk hole 1817 and the rear outer wall of the pressure block 181.

[0040] Each upper boss 1811 also has two air outlet connectors 188 fixed on its end face, which are located directly below the first countersunk hole 1815 and the second countersunk hole 1817 respectively. The two air outlet connectors 188 are connected to the two air inlets 1814 through the first countersunk hole 1815 and the second countersunk hole 1817 respectively.

[0041] The positioning mechanism 2 also includes a T-shaped connector 29 vertically fixed on the telescopic end of the top material cylinder 26, and a connecting block 28 fixed on the bottom of the guide block 27. A T-shaped groove 281 is provided between the outer walls of the left and right sides of the end of the connecting block 28, and the T-shaped connector 29 is movably embedded in the T-shaped groove 281.

[0042] Working principle:

[0043] The telescopic end of the moving cylinder 24 in the drive positioning mechanism 2 retracts inward or extends outward to drive the guide block 27 and the material block 25 to move to the right with the help of the positioning plate 23. During this process, the connecting block 28 moves to the left with the guide block 27, thereby causing the T-slot 281 on the connecting block 28 to gradually detach from the T-connector 29.

[0044] The pneumatic slide 11 in the pre-loading mechanism 1 is then driven to move to the right, so that the lifting cylinder 12, the first rotary cylinder 13, and the connecting frame 14 can drive the gripping unit and the pressing unit 18 to move to the right. At the same time, the rotating shaft of the second rotary cylinder 15 in the gripping unit is driven to rotate 90 degrees, so that the two four-jaw chucks 17 can rotate synchronously with the help of the traction frame 16. Thus, the two four-jaw chucks 17 are respectively located directly above the two cutter heads. At this time, the four jaws of each four-jaw chuck 17 are set downward. Then, the extension end of the lifting cylinder 12 is driven to extend outward, so that the gripping unit and the pressing unit 18 can move downward with the help of the connecting frame 14. At the same time, the four jaws in each four-jaw chuck 17 are driven to separate from each other, so that the four jaws are located on the periphery of the cutter head. Then, each four-jaw chuck 17 is driven to... The four jaws of the device come together to clamp the two cutter discs simultaneously. Then, the telescopic end of the lifting cylinder 12 is driven to retract inward to move both cutter discs upward. At the same time, the moving end of the pneumatic slide 11 is driven to move to the left to move the two cutter discs synchronously. Then, the rotating end of the first rotary cylinder 13 is driven to rotate 90 degrees to drive the material gripping unit and the material pressing unit 18 to rotate 90 degrees with the help of the connecting frame 14. This makes the two cutter discs directly above the two lower bosses 251. Then, the lifting cylinder 12 and the two four-jaw chucks 17 are operated in the same way to place the two cutter discs on the end faces of the two lower bosses 251 respectively. Then, the lifting cylinder 12 is operated to drive the material gripping unit and the material pressing unit 18 to move upward. Scrapers and blades located on the front and rear sides of the L-shaped groove 252 are placed on the top of each cutter disc in sequence.

[0045] While the two cutter heads are placed in the material gripping unit, the two grippers on each pneumatic finger 184 in the pressure unit 18 are set facing upwards. Then, the two grippers on each pneumatic finger 184 are first driven to separate from each other, and then a bushing is vertically placed between the two grippers on each pneumatic finger 184. Finally, the two grippers on each pneumatic finger 184 are driven to move closer to each other to clamp the bushing.

[0046] The telescopic end of the moving cylinder 24 in the drive positioning mechanism 2 extends outward or retracts inward to drive the guide block 27 and the load block 25 to move to the left under the pressing block 181 in the pressing unit 18 with the help of the positioning plate 23. During this process, the connecting block 28 moves to the left with the guide block 27, thereby causing the T-shaped connector 29 to be inserted into the T-shaped groove 281, so that the telescopic end of the top material cylinder 26 is connected to the load block 25.

[0047] Then, the rotating end of the first rotary cylinder 13 is driven to reverse 90 degrees to drive the gripping unit and the pressing unit 18 to exchange positions, so that the two upper bosses 1811 on the pressing block 181 are respectively located directly above the two cutter discs. Then, the telescopic end of the pressing cylinder 183 is driven to extend outward to drive the two pressing plates 186 to move downward with the help of the lifting block 185, so that the ends of the two pressing plates 186 press the scraper and the blade onto the cutter disc. At the same time, the two clamping blocks 187 on each pneumatic finger 184 will drive the bushing to move downward and vertically insert and fix it in the cutter disc, and insert the lower end of the bushing into the positioning hole 253.

[0048] Then, the two grippers on each pneumatic finger 184 are driven to separate to release the bushing. Then, the telescopic end of the pressing cylinder 183 is driven to retract inward to move the two pressing plates 186 and each clamping block 187 upward away from the cutter head. Then, the rotating end of the first rotary cylinder 13 is driven to rotate 90 degrees to drive the gripping unit and the pressing unit 18 to exchange positions again. Then, the rotating shaft of the second rotary cylinder 15 is driven to rotate 90 degrees to drive the two four-jaw chucks 17 to rotate synchronously with the help of the traction frame 16, so that the two four-jaw chucks 17 are respectively located directly above the two cutter heads, and the four grippers of each four-jaw chuck 17 are set downward.

[0049] Next, the telescopic end of the drive cylinder 26 extends outward to move the material block 25 upward with the help of the T-shaped connector 29, the connecting block 28 and the guide block 27, thereby lifting the two pre-assembled cutter discs upward; at the same time, the lifting cylinder 12 and the two four-jaw chucks 17 are operated to grab the two cutter discs, and then the lifting cylinder 12 and the second rotary cylinder 15 are operated to drive the two cutter discs to move upward and then flip, and then the pneumatic slide table 11 is operated to drive the two cutter discs to move to the right, and finally the two cutter discs are sent into the next process.

[0050] This invention can automatically pre-install the blades, scrapers, and bushings of the cutting tool onto the cutter head without manual intervention. It can also automatically feed the pre-installed cutter head into the equipment required for the next process, thereby greatly simplifying the operation steps and effectively improving work efficiency. This achieves the effect of saving time and effort and reducing labor costs.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An automatic feeding device for stampings, characterized in that it comprises: The positioning mechanism and the preloading mechanism are cooperated with each other, the positioning mechanism comprises a frame, a bottom plate fixed transversely on the top of the frame, a positioning plate transversely and movably connected on the top of the bottom plate to have left-right translation function, and a moving cylinder fixed on the top of the bottom plate and below the positioning plate, the extension end of the moving cylinder is transversely arranged leftward or rightward and fixed on the positioning plate; The positioning mechanism further comprises a guide block movably arranged in the positioning plate, a load block fixed on the top of the guide block, and a top-loading cylinder fixed on the top of the bottom plate, the extension end of the top-loading cylinder is vertically arranged upward and detachably fixed on the bottom of the guide block; The preloading mechanism comprises a pneumatic slide arranged above the load block, a lifting cylinder fixed on the moving end of the pneumatic slide to have left-right translation function by means of the pneumatic slide, a first rotary cylinder fixed on the extension end of the lifting cylinder to have up-down vertical movement function by means of the lifting cylinder, a connecting frame fixed on the rotating end of the first rotary cylinder, and a grabbing unit and a pressing unit respectively arranged on the front and rear ends of the connecting frame and cooperated with each other, the extension end of the lifting cylinder is vertically arranged downward. The grabbing unit comprises a second rotary cylinder fixed on the connecting frame, a traction frame fixed on the rotating end of the second rotary cylinder, and two four-jaw chucks fixed on the traction frame and respectively arranged left-right symmetrically. The pressing unit comprises a pressing block fixed on the connecting frame, a U-shaped block fixed upside down on the top of the pressing block, a pressing cylinder fixed on the top of the U-shaped block, and a lifting block arranged above the pressing block and penetrating through the inside of the U-shaped block, the extension end of the pressing cylinder is vertically arranged downward through the top of the U-shaped block and fixed on the lifting block.

2. The automatic feeding device of a stamping part according to claim 1, characterized in that, The bottom of the pressing block is formed downward with two upper bosses respectively arranged left-right, correspondingly, the top of the load block is formed upward with two lower bosses respectively located directly below the two upper bosses.

3. The automatic feeding device of a stamping part according to claim 2, characterized in that, The end surface of each upper boss and the outer wall of the top of the pressing block are further formed with two slot holes respectively distributed front-back, and each slot hole is further provided with a vertically distributed pressing plate penetrating therethrough.

4. The automatic feeding device of a stamping part according to claim 3, characterized in that, The lifting block is further formed with two first cavity holes respectively distributed left-right, correspondingly, the end surface of each upper boss and the outer wall of the top of the pressing block are further formed with a second cavity hole located between the two slot holes, one first cavity hole on the left side is located between the two pressing plates on the left side, and one first cavity hole on the right side is located between the two pressing plates on the right side.

5. The automatic feeding device of a punched part according to claim 4, wherein The pressing unit further comprises two pneumatic fingers fixed on the top of the pressing block and respectively located above the two first cavity holes, the two clamping jaws of the pneumatic finger are vertically arranged downward and respectively distributed left-right symmetrically, and each pneumatic finger is further provided with a clamping block symmetrically distributed on the two clamping jaws, the two clamping blocks are movably arranged through the first cavity hole and extend downward below the lifting block.

6. The automatic feeding device of a stamping part according to claim 2, characterized in that, The end surface of each lower boss is formed with an L-shaped groove, the bottom surface of the L-shaped groove is formed with a positioning hole, and the left and right side edges of the upper end opening of the positioning hole are formed upward with two side blocks arranged at opposite angles.

7. The automatic feeding device of a stamping part according to claim 3, characterized in that, An arc-shaped protrusion is formed on the inner wall of the rear side of one of the rear slots towards the interior of the slot, and correspondingly, an arc-shaped slot is formed on the outer wall of the rear side of one of the rear pressing plates, which cooperates with the arc-shaped protrusion, and the inner wall of the arc-shaped slot is in sliding fit with the outer wall of the arc-shaped protrusion.

8. The automatic feeding device of a punched part according to claim 7, wherein A first counterbore is formed on the end face of the upper boss in front of one of the slots, a second counterbore is formed on the lower outer wall of the arc-shaped protrusion, and an air inlet hole is further formed between the inner wall of the first counterbore and the front outer wall of the pressing block and between the inner wall of the second counterbore and the rear outer wall of the pressing block.

9. The automatic feeding device of a punched part according to claim 8, wherein Two air outlet joints are further fixed on the end face of each upper boss, respectively below the first counterbore and the second counterbore, and the two air outlet joints are in communication with the two air inlet holes through the first counterbore and the second counterbore, respectively.

10. The automatic feeding device for stamping parts according to claim 1, characterized in that, The positioning mechanism further comprises a T-shaped connector fixed vertically on the telescopic end of the top material cylinder and a connecting block fixed on the bottom of the guide block, a T-shaped slot is formed between the end left and right outer walls of the connecting block, and the T-shaped connector is movably embedded in the T-shaped slot.

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